I don't understand this Math. In the other thread you stated you paid $148 for the batteries and $12 for the warranty. Even if they last 10 bike rides before frying a cell or two - I am not sure how many times you are going to be able keep exchanging them until Walmart's computer system gets wise. I guess the point is that you will get your money back when they die their quick death except for the $12?

Any grease is better than no grease.
The best exercises are the ones you enjoy doing.
I strongly prefer vehicles without doors.

ecycler wrote:I don't understand this Math. In the other thread you stated you paid $148 for the batteries and $12 for the warranty. Even if they last 10 bike rides before frying a cell or two - I am not sure how many times you are going to be able keep exchanging them until Walmart's computer system gets wise. I guess the point is that you will get your money back when they die their quick death except for the $12?

I guess the point is that you will get your money back when they die their quick death except for the $12? Yes.

Shipping was free and my total including $12 warranty was: Total $150.48

Pinesal wrote:
Could I feasibly buy 8 of these and make a 48v 24AH battery pack?

Nope. There is a 99% chance we are all wasting our time on discussing this. The whole point that every experienced member is trying to make in these three threads is that there is about a snowball's chance in hell that these things will deliver the rated specs under a typical ebike load for any reasonable number of cycles. There is the 1% chance they will deliver... which is why you could give it a shot and let us know, though!

Any grease is better than no grease.
The best exercises are the ones you enjoy doing.
I strongly prefer vehicles without doors.

Pinesal wrote:
Could I feasibly buy 8 of these and make a 48v 24AH battery pack?

Nope. There is a 99% chance we are all wasting our time on discussing this. The whole point that every experienced member is trying to make in these three threads is that there is about a snowball's chance in hell that these things will deliver the rated specs under a typical ebike load for any reasonable number of cycles. There is the 1% chance they will deliver... which is why you could give it a shot and let us know, though!

Thats cool. Would you, or somebody be willing to walk me through the process of connecting 8 of them together? I Understand basically what to do but I wouldn't know the best way to go about it.

Pinesal wrote:soooo, I am in the market for a new battery and I'D be willing to give these a shot. I can always return them to Walmart if it doesnt work right?

Could I feasibly buy 8 of these and make a 48v 24AH battery pack?

I own a watt meter and I'd post all my findings.

Save your money. You really want a good pack not a messed up one that doesn't work. look here http://lunacycle.com/48v/
It might cost more up front but cheaper later. Even with a warranty from Walmart, you won't kill all at once and maybe get money back for only one. Then you are stuck with 7 useless bricks.

Glad it worked for your needs on your first ride, but reporting the mileage and voltage drop tells us nothing about the energy provided by the batteries especially at such low speeds in a flat location. Get a cheap RC watt meter.

Any grease is better than no grease.
The best exercises are the ones you enjoy doing.
I strongly prefer vehicles without doors.

ecycler wrote:Glad it worked for your needs on your first ride, but reporting the mileage and voltage drop tells us nothing about the energy provided by the batteries especially at such low speeds in a flat location. Get a cheap RC watt meter.

"Glad it worked for your needs on your first ride". Thanks, it suits my needs.

I don't go for rides over 10 miles and If the packs last for 2 years, I will be satisfied and have the purchase price refunded.

I am 77 and my 26" mountain bike is difficult for me to pedal over 18 MPH.

Most likely he ran about 200watts on that ride at about 15 mph. So he used somewhere around 170 watt hours.

He damn sure better have pep left, after having used so little. If that's the typical ride length he needs, then he's going to be fine. He used about 4 ah. If he pedaled very hard, then he used less of course. No pedaling, he may have used up to 250watts.

So now we know they must put out close to 4 ah, but I'm still betting on it that the claim of 12 ah is pure bullshit. 8 ah capacity plausible though. Lets see what happens if you try for a 15 mile ride.

Both those watt meters appear the same to me, the cheaper one will be quite adequate.

eTrike wrote:Yes either that ebay or the GT meter should be fine. Wattsup is overpriced crap that in my opinion should be discontinued as they were substandard 8 years ago. I am biased though because I had a wattsup fail after a few months and the manufacturer refused to warranty.

Each t their own. Have a Wattsup for about the 8 years, which you said was bad and I had the one from Ebay and it died? Wattsup reads closer to my CA than the GT or the one from Ebay, which both read low? The only one I really trust is my CA.
In either case anything is better than nothing, at least you can have a base to work with.